package com.example.myapplication.s1

// Kotlin 语言的具名函数参数
fun main() {
    loginAction(age = 29, userpwd = "12345", username = "zhangshan")
}

private fun loginAction(username: String, userpwd: String, age: Int) {
    println("username:$username, userpwd: $userpwd, age: $age")
}
